[TechAssist] CTC169 Projo , FIXED!

  • From: wpt19@xxxxxxxxx (WPT19. P)
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sat, 10 Aug 2002 06:35:05 -0400 (EDT)



This set came in with the 75 ohms 2w resistor R4745 open on the High
Voltage regulator board , causing no high voltage regulation, replaced
it and explode again in seconds.
found  voltage low on pin3  of the  regulator IC U4751, after checking
voltages around, found reference voltage coming from the high voltage
splitter, was too low, 42V instead of the normal 59V, replacing the high
voltage splitter cure the problem.

Pete

Perdomo TV Inc.
Miami, Fla.  (since 1972,, 30th anniversary!)
wpt19@xxxxxxxxx

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